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Finding the Fourth Proportional to 484.82, 669.04 and 263.77

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Solution

The fourth proportional to 484.82, 669.04 and 263.77 is: 364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.82 : 669.04 = 263.77 : x
  2. Step 2: Convert to fraction form
    484.82/669.04 = 263.77/x
  3. Step 3: Cross multiply
    484.82x = 669.04 × 263.77
  4. Step 4: Simplify right side
    484.82x = 176,472.68
  5. Step 5: Solve for x
    x = 176,472.68/484.82
  6. Step 6: Final answer
    x = 364.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.